CN206336152U - A kind of control circuit of vehicle synchronous motor - Google Patents
A kind of control circuit of vehicle synchronous motor Download PDFInfo
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- CN206336152U CN206336152U CN201621437212.7U CN201621437212U CN206336152U CN 206336152 U CN206336152 U CN 206336152U CN 201621437212 U CN201621437212 U CN 201621437212U CN 206336152 U CN206336152 U CN 206336152U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model discloses a kind of control circuit of vehicle synchronous motor, and it includes power supply circuit and the drive circuit being connected with power supply circuit, speed-regulating control circuit, latching circuit, velocity checking circuits, exciting circuit, axes-angle conversion circuit；Speed-regulating control circuit, velocity checking circuits, latching circuit are connected to the rotor of vehicle synchronous motor；Velocity checking circuits are connected with speed-regulating control circuit；Exciting circuit, axes-angle conversion circuit are connected to the stator of vehicle synchronous motor；And exciting circuit, axes-angle conversion circuit are connected with speed-regulating control circuit.Its circuit structure is simple, and its fast response time can be monitored and adjust to speed in real time, the stability of vehicle synchronous motor is strong.
Description
Technical field
The utility model belongs to motor, more particularly to a kind of control circuit of vehicle synchronous motor.
Background technology
Synchronous motor can divide synchronous generator, synchronous motor and synchronous compensator.In modern power systems, Ji Husuo
Some electric energy are produced by synchronous generator；Synchronous motor applications are in the dragging system of large-scale manufacturing machine, with electricity
Power electronic technology and Computer Control Technology are continued to develop, realization of the frequency control in the governing system of synchronous motor,
The application scenario of synchronous motor is set greatly to expand；Synchronous compensator is then the synchronous motor of no-load running, to improve electricity
The power factor of net.
As DC generator, asynchronous motor, synchronous motor is also to be made up of stator and rotor two large divisions.Synchronous electricity
The stator of motivation and the stator structure of asynchronous motor are essentially identical, are made up of support, stator core, armature winding etc.；It is large-scale
Synchronous motor, because size is too big, sector is often made in silicon steel sheet, then to circular；The rotor of synchronous motor by magnetic pole,
Rotating shaft, Damper Winding, slip ring, brush etc. are constituted, and direct current excitation is passed through in brush and slip ring, produce fixed magnetic pole.
It is divided to two kinds of salient pole and non-salient pole according to amount of capacity and rotating speed height rotor structure；Salient pole feature：Non-uniform air-gap, has
Obvious magnetic pole, rotor core is short and thick, it is adaptable to which rotating speed is less than 1000r/min, the motor of number of pole-pairs p >=3；Non-salient pole feature：
Air gap is uniform, and without obvious magnetic pole, rotor core length is thin, it is adaptable to which rotating speed is higher than 1500r/min, number of pole-pairs p≤2 it is electronic
Machine.Therefore existing vehicle electric motor, it is impossible to while the advantage of salient pole and non-salient pole is realized, therefore in use, largely
Limit speed；In addition, in the prior art, when high speed operation of motor, produced by the rotary speed and stator winding of rotor
The speed of rotating excitation field is inconsistent, therefore the stability of influence motor.
Utility model content
To solve drawbacks described above, the utility model proposes a kind of control circuit of vehicle synchronous motor, the letter of its circuit structure
Single, its fast response time can be monitored and adjust to speed in real time, the stability of vehicle synchronous motor is strong.
What the technical solution of the utility model was realized in：
The utility model discloses a kind of control circuit of vehicle synchronous motor, and it includes power supply circuit and connected with power supply circuit
The drive circuit that connects, speed-regulating control circuit, latching circuit, velocity checking circuits, exciting circuit, axes-angle conversion circuit；Speed governing control
Circuit processed, velocity checking circuits, latching circuit are connected to the rotor of vehicle synchronous motor；Velocity checking circuits and speed regulating control
Circuit is connected；Exciting circuit, axes-angle conversion circuit are connected to the stator of vehicle synchronous motor；And exciting circuit, axes-angle conversion
Circuit is connected with speed-regulating control circuit；Speed-regulating control circuit includes chip NE555, electric capacity C1, electric capacity C2, electric capacity C3, resistance
R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, solid-state relay KN, potentiometer RP, diode VD1, diode
VD2, diode VD3, bilateral diode VTH and voltage-regulator diode VS；Chip NE555 the first pin is connected to the negative of power supply
Pole, electric capacity C2 one end, electric capacity C1 one end, voltage-regulator diode VS one end；Chip NE555 the second pin, the 6th pin
It is connected to resistance R4 one end, the electric capacity C2 other end；Chip NE555 the 3rd pin is connected to resistance R6 one end, electricity
The resistance R6 other end is connected to solid-state relay KN positive pole；Chip NE555 the 4th pin, the 8th pin are connected to two poles
Pipe VD3 one end, resistance R2 one end, the electric capacity C1 other end, the voltage-regulator diode VS other end；The 7th of chip NE555
Pin is connected to resistance R3 one end, the resistance R2 other end, diode VD1 one end；The resistance R3 other end is connected to two
Pole pipe VD2 one end；The diode VD2 other end is connected to potentiometer RP the first fixing end；The diode VD1 other end connects
It is connected to potentiometer RP the second fixing end；The resistance R4 other end is connected to potentiometer RP movable contact；Diode VD3's is another
End is connected to resistance R1 one end, electric capacity C3 one end；The resistance R1 other end is connected to one end of vehicle synchronous motor；Automobile
The other end of synchronous motor is connected to bilateral diode VTH one end；The bilateral diode VTH other end is connected to the negative of power supply
Pole；The electric capacity C3 other end is connected to the positive pole of power supply；The first exchange that resistance R5 one end is connected to solid-state relay KN is defeated
Enter end, its other end is connected to the negative pole of power supply；Solid-state relay KN negative pole, the second ac input end are connected to power supply
Negative pole.
Wherein, velocity checking circuits include resistance R8, resistance R9, resistance R10, resistance R11, photoelectrical coupler U1, three poles
Pipe Q1 and power supply PS；Resistance R1 one end, resistance R2 one end, resistance R3 one end are connected to the positive pole of power supply；Electricity
The resistance R1 other end is connected to photoelectrical coupler U1 the first pin；Photoelectrical coupler U1 the 4th pin is connected to resistance R2's
One end of the other end, resistance R4；The resistance R4 other end is connected to triode Q1 base stage；Triode Q1 colelctor electrode is connected to
The resistance R3 other end, power supply PS the first pin；Photoelectrical coupler U1 the second pin, the 3rd pin, triode Q1
Emitter stage, power supply PS the second pin is grounded.
Wherein, latching circuit connects including stop button SB1, start button SB2, disconnecting switch QS, contactor KM1, exchange
Tentaculum KM2, electrothermal relay FR1, electrothermal relay FR2, fuse FU1, fuse FU2, fuse FV1, fuse FV2 and fusing
Device FW1；A.C. contactor KM2 includes A.C. contactor KMU3, A.C. contactor KMV3 and A.C. contactor KMW3；Disconnecting switch
QS includes disconnecting switch QS1, disconnecting switch QS2 and disconnecting switch QS3；The inlet wire wiring three phase mains of vehicle electric motor connects respectively
Electrothermal relay FR1 one end is connected to, the electrothermal relay FR1 other end is respectively connecting to A.C. contactor KMU3, A.C. contactor
KMV3, A.C. contactor KMW3 one end；The A.C. contactor KMU3 other end is connected to fuse FU1 one end, fuse
FU2 one end；The A.C. contactor KMV3 other end is connected to fuse FV1 one end, fuse FV2 one end；Exchange connects
The tentaculum KMW3 other end is connected to fuse FW1 one end；The fuse FU1 other end is connected to by disconnecting switch QS1
Phase line L1；The fuse FV1 other end is connected to phase line L2 by disconnecting switch QS2；The fuse FW1 other end passes through isolation
Switch QS3 is connected to phase line L3；The fuse FU2 other end is connected to electrothermal relay FR2 one end；Electrothermal relay FR2's is another
One end is connected to stop button SB1 one end；The stop button SB1 other end is connected to start button SB2 one end, contactor
KM1 one end；The start button SB2 other end, the contactor KM1 other end are connected to the fuse FV2 other end.
Wherein, power supply circuit includes chip LM2940, electric capacity C4, electric capacity C5, diode D1, resistance R7, jumper coupler
JP5 and LED 1；Chip LM2940 the first pin is connected to electric capacity C1 one end, the of jumper coupler JP5
Two pins；Chip LM2940 the 3rd pin is connected to resistance R7 one end, electric capacity C2 one end；Resistance R7 other end connection
To diode D1 one end；Chip LM2940 the second pin, jumper coupler JP5 the first pin, the electric capacity C1 other end,
The electric capacity C2 other end, the diode D1 other end are grounded.
Wherein, the control circuit of vehicle synchronous motor further comprises overvoltage crowbar, and overvoltage crowbar is connected to
Power circuit, drive circuit.
Wherein, exciting circuit includes resistance R0, resistance R12, resistance R13, resistance R14, resistance R15, potentiometer R5, two poles
Pipe D2, diode D3, electric capacity C0, electric capacity C6 and operational amplifier OPA544；Operational amplifier OPA544 the first pin connection
To resistance R0 one end, electric capacity C6 one end, resistance R12 one end；Operational amplifier OPA544 the second pin is connected to electricity
Hinder R13 one end, resistance R14 one end, resistance R15 one end；Operational amplifier OPA544 the 3rd pin is connected to power supply
Negative pole；Operational amplifier OPA544 the 5th pin is connected to the positive pole of power supply；The electric capacity C6 other end, resistance R12 it is another
One end, the resistance R13 other end are grounded；The resistance R0 other end is connected to electric capacity C0 one end；The electric capacity C0 other end connects
It is connected to potentiometer R5 the first fixing end；The resistance R15 other end is connected to potentiometer R5 the second fixing end, potentiometer R5
Movable contact；The resistance R14 other end is connected to diode D2 one end, diode D3 one end；The diode D2 other end, two
The pole pipe D3 other end is connected to the electric capacity C0 other end；Operational amplifier OPA544 the 4th pin is connected to driving electricity
Road.
Wherein, axes-angle conversion circuit include chip AD2S83, electric capacity C7, electric capacity C8, electric capacity C9, electric capacity C10, electric capacity C11,
Electric capacity C12, resistance R17, resistance R18, resistance R19, resistance R20, resistance R21, resistance R22, resistance R23 and resistance R24；Chip
AD2S83 the first pin is connected to electric capacity C9 one end, resistance R19 one end；The electric capacity C9 other end is connected to operation amplifier
Device OPA544 the 4th pin；The resistance R19 other end is connected to resistance R24 one end；Chip AD2S83 the second pin connects
It is connected to electric capacity C8 one end, resistance R18 one end, electric capacity C7 one end；Chip AD2S83 the 3rd pin is connected to resistance R17
One end；The resistance R17 other end is connected to the electric capacity C7 other end；The electric capacity C8 other end is connected to the another of resistance R18
End；Chip AD2S83 the 43rd pin is connected to the resistance R24 other end；Chip AD2S83 the 44th pin connection
To resistance R20 one end；The resistance R20 other end is connected to electric capacity C10 one end, electric capacity C11 one end；Electric capacity C11's is another
One end is connected to resistance R21 one end；The resistance R21 other end, the electric capacity C10 other end are connected to the of chip AD2S83
42 pins；Resistance R22 one end is connected to chip AD2S83 the 42nd pin, and its other end is connected to resistance R23
One end, chip AD2S83 the 41st pin；The resistance R23 other end is connected to electric capacity C12 one end, electric capacity C12's
The other end is grounded.
Compared with prior art, the utility model has the following advantages that：
The utility model is detected to the rotating speed of rotor in real time by setting velocity checking circuits and speed-regulating control circuit
And adjustment, the speed of the rotating excitation field produced by the rotating speed and stator winding of rotor is matched, improve vehicle synchronous motor
Operating efficiency；And ensureing the stability of vehicle synchronous motor work, it is ensured that its voltage is higher, and running speed is also faster.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the circuit diagram of the utility model speed-regulating control circuit.
Fig. 2 is the circuit diagram of the utility model velocity checking circuits.
Fig. 3 is the circuit diagram of the utility model latching circuit.
Fig. 4 is the circuit diagram of the utility model power supply circuit.
Fig. 5 is the circuit diagram of the utility model exciting circuit.
Fig. 6 is the circuit diagram of the utility model axes-angle conversion circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Referring to figs. 1 to Fig. 6, the utility model discloses a kind of control circuit of vehicle synchronous motor, and it includes power supply circuit
And be connected with power supply circuit drive circuit, speed-regulating control circuit, latching circuit, velocity checking circuits, exciting circuit, shaft angle turn
Change circuit；Speed-regulating control circuit, velocity checking circuits, latching circuit are connected to the rotor of vehicle synchronous motor；Velocity measuring
Circuit is connected with speed-regulating control circuit；Exciting circuit, axes-angle conversion circuit are connected to the stator of vehicle synchronous motor；And excitation
Circuit, axes-angle conversion circuit are connected with speed-regulating control circuit；Speed-regulating control circuit includes chip NE555, electric capacity C1, electric capacity
C2, electric capacity C3, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, solid-state relay KN, potentiometer RP, two
Pole pipe VD1, diode VD2, diode VD3, bilateral diode VTH and voltage-regulator diode VS；Chip NE555 the first pin connects
It is connected to the negative pole of power supply, electric capacity C2 one end, electric capacity C1 one end, voltage-regulator diode VS one end；The second of chip NE555 connects
Pin, the 6th pin are connected to resistance R4 one end, the electric capacity C2 other end；Chip NE555 the 3rd pin is connected to resistance
R6 one end, the resistance R6 other end is connected to solid-state relay KN positive pole；Chip NE555 the 4th pin, the 8th pin
It is connected to diode VD3 one end, resistance R2 one end, the electric capacity C1 other end, the voltage-regulator diode VS other end；Chip
NE555 the 7th pin is connected to resistance R3 one end, the resistance R2 other end, diode VD1 one end；Resistance R3's is another
End is connected to diode VD2 one end；The diode VD2 other end is connected to potentiometer RP the first fixing end；Diode VD1
The other end be connected to potentiometer RP the second fixing end；The resistance R4 other end is connected to potentiometer RP movable contact；Two poles
The pipe VD3 other end is connected to resistance R1 one end, electric capacity C3 one end；The resistance R1 other end is connected to vehicle synchronous motor
One end；The other end of vehicle synchronous motor is connected to bilateral diode VTH one end；The bilateral diode VTH other end connects
It is connected to the negative pole of power supply；The electric capacity C3 other end is connected to the positive pole of power supply；Resistance R5 one end is connected to solid-state relay KN
The first ac input end, its other end is connected to the negative pole of power supply；Solid-state relay KN negative pole, the second ac input end are equal
It is connected to the negative pole of power supply.
The operation principle of the utility model speed-regulating control circuit is：220V alternating voltages are depressured through C3, VD3 rectifications, C1 filter
After ripple and VS voltage stabilizings ,+12V direct-current working volts are provided for chip NE555.After ultralow-frequency oscillator energization work, from chip
NE555 3 pin output frequencies are 1Hz or so ultralow frequency pulse signal.This pulse signal is added in solid-state relay KN control
Hold (anode), by controlling KN through and off, (when pulse signal is positive pulse, KN is turned on；When pulse signal is negative pulse, KN is cut
Only), the VTH angle of flow is controlled.RP resistance is adjusted, the dutycycle of chip NE555 3 pin output pulse signals can be changed.
The dutycycle of pulse signal is bigger, and VTH ON time is longer within the unit interval, the higher operating of operating voltage of motor
Speed is also faster.
Wherein, velocity checking circuits include resistance R8, resistance R9, resistance R10, resistance R11, photoelectrical coupler U1, three poles
Pipe Q1 and power supply PS；Resistance R1 one end, resistance R2 one end, resistance R3 one end are connected to the positive pole of power supply；Electricity
The resistance R1 other end is connected to photoelectrical coupler U1 the first pin；Photoelectrical coupler U1 the 4th pin is connected to resistance R2's
One end of the other end, resistance R4；The resistance R4 other end is connected to triode Q1 base stage；Triode Q1 colelctor electrode is connected to
The resistance R3 other end, power supply PS the first pin；Photoelectrical coupler U1 the second pin, the 3rd pin, triode Q1
Emitter stage, power supply PS the second pin is grounded.The utility model velocity checking circuits are used for the measurement of motor speed,
To improve the operating efficiency of motor.
Wherein, latching circuit connects including stop button SB1, start button SB2, disconnecting switch QS, contactor KM1, exchange
Tentaculum KM2, electrothermal relay FR1, electrothermal relay FR2, fuse FU1, fuse FU2, fuse FV1, fuse FV2 and fusing
Device FW1；A.C. contactor KM2 includes A.C. contactor KMU3, A.C. contactor KMV3 and A.C. contactor KMW3；Disconnecting switch
QS includes disconnecting switch QS1, disconnecting switch QS2 and disconnecting switch QS3；The inlet wire wiring three phase mains of vehicle electric motor connects respectively
Electrothermal relay FR1 one end is connected to, the electrothermal relay FR1 other end is respectively connecting to A.C. contactor KMU3, A.C. contactor
KMV3, A.C. contactor KMW3 one end；The A.C. contactor KMU3 other end is connected to fuse FU1 one end, fuse
FU2 one end；The A.C. contactor KMV3 other end is connected to fuse FV1 one end, fuse FV2 one end；Exchange connects
The tentaculum KMW3 other end is connected to fuse FW1 one end；The fuse FU1 other end is connected to by disconnecting switch QS1
Phase line L1；The fuse FV1 other end is connected to phase line L2 by disconnecting switch QS2；The fuse FW1 other end passes through isolation
Switch QS3 is connected to phase line L3；The fuse FU2 other end is connected to electrothermal relay FR2 one end；Electrothermal relay FR2's is another
One end is connected to stop button SB1 one end；The stop button SB1 other end is connected to start button SB2 one end, contactor
KM1 one end；The start button SB2 other end, the contactor KM1 other end are connected to the fuse FV2 other end.
The main circuit of the utility model latching circuit is roughly the same with the main circuit of point operation control, but in control circuit again
A stop button SB1 has been concatenated, at start button SB2 two ends and contactor KM a pair of normally opened auxiliary contacts have been connect；Connect
Tentaculum self-locking, which rotates forward control circuit, not only can continuously run motor, also with under-voltage and decompression (or zero-pressure) protective effect,
Its it is main by button switch SB (start-stop motor is used), A.C. contactor KM (be used as be switched on and off the power supply of motor with
And decompression and under-voltage protection etc.), the composition such as electrothermal relay (overload protection for being used as motor)；
The control principle of the utility model latching circuit is：After start button SB2 is pressed, power supply U1 communicates overheat relay
Device FR dynamic circuit breakers contact, stop button SB1 dynamic circuit breaker contact, start button SB2 normally opened contacts and A.C. contactor KM coil connect
Energization source V1 phases, make ac contactor coil powered and act, and its main contact closure makes motor rotation；Meanwhile, ac contactor
Device KM normally opened auxiliary contact short circuit start button SB2 normally opened contact, keeps ac contactor coil all the time in powered
State, realizes self-locking (self-insurance)；It is in parallel with start button SB2 rise self-locking action normally opened auxiliary contact be referred to as self-locking contact (or
Self-keeping contact).
Wherein, power supply circuit includes chip LM2940, electric capacity C4, electric capacity C5, diode D1, resistance R7, jumper coupler
JP5 and LED 1；Chip LM2940 the first pin is connected to electric capacity C1 one end, the of jumper coupler JP5
Two pins；Chip LM2940 the 3rd pin is connected to resistance R7 one end, electric capacity C2 one end；Resistance R7 other end connection
To diode D1 one end；Chip LM2940 the second pin, jumper coupler JP5 the first pin, the electric capacity C1 other end,
The electric capacity C2 other end, the diode D1 other end are grounded.The utility model power supply circuit is used for the chip to drive circuit
Power supply, the operating voltage of drive circuit is direct current, and voltage has two kinds of 7.2V and 5V, and the power supply of intelligent vehicle is the battery by 7.2V
Supply, so needing 7.2V to be changed into 5V circuit；The chip of DC voltage conversion has a lot, such as 7,805 3 conventional ends are steady
Press chip, it is contemplated that the pressure difference between the voltage 7.2V of power supply and the operating voltage 5V of needs only has 2.2V, if steady with 7805
Pressure is, it is necessary to which more than 3V will be had with output voltage difference by inputting, and 7805 can not meet requirement；LM2940 input and output voltage difference can
There was only 1.0V or so, therefore select LM2940 as voltage-stabilizing device, circuit diagram is as shown in Figure 4.Pin 1 connects the anode of battery, together
When and ground between access filter capacitor, improve the stability of input voltage.2 pin are ground, the negative terminal of batteries；3 pin are 5V outputs
The filter capacitor accessed between end and ground, reduces the output of clutter.
Wherein, the control circuit of vehicle synchronous motor further comprises overvoltage crowbar, and overvoltage crowbar is connected to
Power circuit, drive circuit.What the utility model overvoltage crowbar and drive circuit were commonly used using those skilled in the art
Circuit.
Wherein, exciting circuit includes resistance R0, resistance R12, resistance R13, resistance R14, resistance R15, potentiometer R5, two poles
Pipe D2, diode D3, electric capacity C0, electric capacity C6 and operational amplifier OPA544；Operational amplifier OPA544 the first pin connection
To resistance R0 one end, electric capacity C6 one end, resistance R12 one end；Operational amplifier OPA544 the second pin is connected to electricity
Hinder R13 one end, resistance R14 one end, resistance R15 one end；Operational amplifier OPA544 the 3rd pin is connected to power supply
Negative pole；Operational amplifier OPA544 the 5th pin is connected to the positive pole of power supply；The electric capacity C6 other end, resistance R12 it is another
One end, the resistance R13 other end are grounded；The resistance R0 other end is connected to electric capacity C0 one end；The electric capacity C0 other end connects
It is connected to potentiometer R5 the first fixing end；The resistance R15 other end is connected to potentiometer R5 the second fixing end, potentiometer R5
Movable contact；The resistance R14 other end is connected to diode D2 one end, diode D3 one end；The diode D2 other end, two
The pole pipe D3 other end is connected to the electric capacity C0 other end；Operational amplifier OPA544 the 4th pin is connected to driving electricity
Road.The utility model exciting circuit uses wien oscillator circuit structure, and increase diode D2, D3 carry out fixed ampllitude, using high voltage
Great current operation amplifier OPA544 completes vibration and driving function simultaneously.
Wherein, axes-angle conversion circuit include chip AD2S83, electric capacity C7, electric capacity C8, electric capacity C9, electric capacity C10, electric capacity C11,
Electric capacity C12, resistance R17, resistance R18, resistance R19, resistance R20, resistance R21, resistance R22, resistance R23 and resistance R24；Chip
AD2S83 the first pin is connected to electric capacity C9 one end, resistance R19 one end；The electric capacity C9 other end is connected to operation amplifier
Device OPA544 the 4th pin；The resistance R19 other end is connected to resistance R24 one end；Chip AD2S83 the second pin connects
It is connected to electric capacity C8 one end, resistance R18 one end, electric capacity C7 one end；Chip AD2S83 the 3rd pin is connected to resistance R17
One end；The resistance R17 other end is connected to the electric capacity C7 other end；The electric capacity C8 other end is connected to the another of resistance R18
End；Chip AD2S83 the 43rd pin is connected to the resistance R24 other end；Chip AD2S83 the 44th pin connection
To resistance R20 one end；The resistance R20 other end is connected to electric capacity C10 one end, electric capacity C11 one end；Electric capacity C11's is another
One end is connected to resistance R21 one end；The resistance R21 other end, the electric capacity C10 other end are connected to the of chip AD2S83
42 pins；Resistance R22 one end is connected to chip AD2S83 the 42nd pin, and its other end is connected to resistance R23
One end, chip AD2S83 the 41st pin；The resistance R23 other end is connected to electric capacity C12 one end, electric capacity C12's
The other end is grounded.The utility model axes-angle conversion circuit, which is modulated rotary transformer using Axial angle conversion special chip AD2S83, to be believed
Number it is converted into digital angular signal；AD2S family chips are monolithic II type following-up type resolver-to-angel digital converters, and rotation becomes sine and cosine letter
Number exchange error through R17, R18, C7, C8 constitute second order high frequency filter after, carry out phase demodulation, final sound field 10-16bit numbers
Word angular signal.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modifications, equivalent substitutions and improvements made etc. should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of control circuit of vehicle synchronous motor, it is characterised in that it includes power supply circuit and is connected with power supply circuit
Drive circuit, speed-regulating control circuit, latching circuit, velocity checking circuits, exciting circuit, axes-angle conversion circuit；Speed regulating control electricity
Road, velocity checking circuits, latching circuit are connected to the rotor of vehicle synchronous motor；Velocity checking circuits and speed-regulating control circuit
Connection；Exciting circuit, axes-angle conversion circuit are connected to the stator of vehicle synchronous motor；And exciting circuit, axes-angle conversion circuit
It is connected with speed-regulating control circuit；
Speed-regulating control circuit includes chip NE555, electric capacity C1, electric capacity C2, electric capacity C3, resistance R1, resistance R2, resistance R3, resistance
R4, resistance R5, resistance R6, solid-state relay KN, potentiometer RP, diode VD1, diode VD2, diode VD3, two-way two pole
Pipe VTH and voltage-regulator diode VS；Chip NE555 the first pin is connected to the negative pole of power supply, electric capacity C2 one end, electric capacity C1
One end, voltage-regulator diode VS one end；Chip NE555 the second pin, the 6th pin are connected to resistance R4 one end, electric capacity
The C2 other end；Chip NE555 the 3rd pin is connected to resistance R6 one end, and the resistance R6 other end is connected to solid-state relay
Device KN positive pole；Chip NE555 the 4th pin, the 8th pin be connected to diode VD3 one end, resistance R2 one end,
The electric capacity C1 other end, the voltage-regulator diode VS other end；Chip NE555 the 7th pin is connected to resistance R3 one end, electricity
Hinder the R2 other end, diode VD1 one end；The resistance R3 other end is connected to diode VD2 one end；Diode VD2's
The other end is connected to potentiometer RP the first fixing end；The diode VD1 other end is connected to potentiometer RP the second fixing end；
The resistance R4 other end is connected to potentiometer RP movable contact；The diode VD3 other end is connected to resistance R1 one end, electric capacity
C3 one end；The resistance R1 other end is connected to one end of vehicle synchronous motor；The other end of vehicle synchronous motor is connected to double
To diode VTH one end；The bilateral diode VTH other end is connected to the negative pole of power supply；The electric capacity C3 other end is connected to
The positive pole of power supply；Resistance R5 one end is connected to solid-state relay KN the first ac input end, and its other end is connected to power supply
Negative pole；Solid-state relay KN negative pole, the second ac input end are connected to the negative pole of power supply.
2. the control circuit of vehicle synchronous motor as claimed in claim 1, it is characterised in that velocity checking circuits include resistance
R8, resistance R9, resistance R10, resistance R11, photoelectrical coupler U1, triode Q1 and power supply PS；Resistance R1 one end, resistance
R2 one end, resistance R3 one end are connected to the positive pole of power supply；The resistance R1 other end is connected to the of photoelectrical coupler U1
One pin；Photoelectrical coupler U1 the 4th pin is connected to the resistance R2 other end, resistance R4 one end；The resistance R4 other end
It is connected to triode Q1 base stage；Triode Q1 colelctor electrode is connected to the resistance R3 other end, the first of power supply PS connect
Pin；Photoelectrical coupler U1 the second pin, the 3rd pin, triode Q1 emitter stage, power supply PS the second pin connect
Ground.
3. the control circuit of vehicle synchronous motor as claimed in claim 2, it is characterised in that latching circuit includes stop button
It is SB1, start button SB2, disconnecting switch QS, contactor KM1, A.C. contactor KM2, electrothermal relay FR1, electrothermal relay FR2, molten
Disconnected device FU1, fuse FU2, fuse FV1, fuse FV2 and fuse FW1；A.C. contactor KM2 includes A.C. contactor
KMU3, A.C. contactor KMV3 and A.C. contactor KMW3；Disconnecting switch QS include disconnecting switch QS1, disconnecting switch QS2 and every
Leave pass QS3；The inlet wire wiring three phase mains of vehicle electric motor is respectively connecting to electrothermal relay FR1 one end, electrothermal relay FR1
The other end be respectively connecting to A.C. contactor KMU3, A.C. contactor KMV3, A.C. contactor KMW3 one end；Ac contactor
The device KMU3 other end is connected to fuse FU1 one end, fuse FU2 one end；The A.C. contactor KMV3 other end connects
It is connected to fuse FV1 one end, fuse FV2 one end；The A.C. contactor KMW3 other end is connected to the one of fuse FW1
End；The fuse FU1 other end is connected to phase line L1 by disconnecting switch QS1；The fuse FV1 other end passes through disconnecting switch
QS2 is connected to phase line L2；The fuse FW1 other end is connected to phase line L3 by disconnecting switch QS3；Fuse FU2's is another
End is connected to electrothermal relay FR2 one end；The electrothermal relay FR2 other end is connected to stop button SB1 one end；Stop button
The SB1 other end is connected to start button SB2 one end, contactor KM1 one end；The start button SB2 other end, contactor
The KM1 other end is connected to the fuse FV2 other end.
4. the control circuit of vehicle synchronous motor as claimed in claim 3, it is characterised in that power supply circuit includes chip
LM2940, electric capacity C4, electric capacity C5, diode D1, resistance R7, jumper coupler JP5 and LED 1；Chip LM2940
The first pin be connected to electric capacity C1 one end, jumper coupler JP5 the second pin；Chip LM2940 the 3rd pin connection
To resistance R7 one end, electric capacity C2 one end；The resistance R7 other end is connected to diode D1 one end；The of chip LM2940
Two pins, jumper coupler JP5 the first pin, the electric capacity C1 other end, the electric capacity C2 other end, the diode D1 other end
It is grounded.
5. the control circuit of vehicle synchronous motor as claimed in claim 4, it is characterised in that the control electricity of vehicle synchronous motor
Road further comprises overvoltage crowbar, and overvoltage crowbar is connected to power circuit, drive circuit.
6. the control circuit of the vehicle synchronous motor as any one of claim 1-5, it is characterised in that exciting circuit bag
Include resistance R0, resistance R12, resistance R13, resistance R14, resistance R15, potentiometer R5, diode D2, diode D3, electric capacity C0, electricity
Hold C6 and operational amplifier OPA544；Operational amplifier OPA544 the first pin is connected to resistance R0 one end, electric capacity C6
One end, resistance R12 one end；Operational amplifier OPA544 the second pin is connected to resistance R13 one end, the one of resistance R14
End, resistance R15 one end；Operational amplifier OPA544 the 3rd pin is connected to the negative pole of power supply；Operational amplifier OPA544
The 5th pin be connected to the positive pole of power supply；The electric capacity C6 other end, the resistance R12 other end, the resistance R13 other end connect
Ground；The resistance R0 other end is connected to electric capacity C0 one end；The electric capacity C0 other end is connected to potentiometer R5 the first fixing end；
The resistance R15 other end is connected to potentiometer R5 the second fixing end, potentiometer R5 movable contact；The resistance R14 other end connects
It is connected to diode D2 one end, diode D3 one end；The diode D2 other end, the diode D3 other end are connected to electricity
Hold the C0 other end；Operational amplifier OPA544 the 4th pin is connected to drive circuit.
7. the control circuit of vehicle synchronous motor as claimed in claim 6, it is characterised in that axes-angle conversion circuit includes chip
AD2S83, electric capacity C7, electric capacity C8, electric capacity C9, electric capacity C10, electric capacity C11, electric capacity C12, resistance R17, resistance R18, resistance R19,
Resistance R20, resistance R21, resistance R22, resistance R23 and resistance R24；Chip AD2S83 the first pin is connected to the one of electric capacity C9
End, resistance R19 one end；The electric capacity C9 other end is connected to operational amplifier OPA544 the 4th pin；Resistance R19's is another
End is connected to resistance R24 one end；Chip AD2S83 the second pin is connected to electric capacity C8 one end, resistance R18 one end, electricity
Hold C7 one end；Chip AD2S83 the 3rd pin is connected to resistance R17 one end；The resistance R17 other end is connected to electric capacity
The C7 other end；The electric capacity C8 other end is connected to the resistance R18 other end；Chip AD2S83 the 43rd pin is connected to
The resistance R24 other end；Chip AD2S83 the 44th pin is connected to resistance R20 one end；The resistance R20 other end connects
It is connected to electric capacity C10 one end, electric capacity C11 one end；The electric capacity C11 other end is connected to resistance R21 one end；Resistance R21's
The other end, the electric capacity C10 other end are connected to chip AD2S83 the 42nd pin；Resistance R22 one end is connected to core
Piece AD2S83 the 42nd pin, its other end is connected to resistance R23 one end, chip AD2S83 the 41st pin；
The resistance R23 other end is connected to electric capacity C12 one end, electric capacity C12 other end ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621437212.7U CN206336152U (en) | 2016-12-26 | 2016-12-26 | A kind of control circuit of vehicle synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621437212.7U CN206336152U (en) | 2016-12-26 | 2016-12-26 | A kind of control circuit of vehicle synchronous motor |
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| Publication Number | Publication Date |
|---|---|
| CN206336152U true CN206336152U (en) | 2017-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621437212.7U Expired - Fee Related CN206336152U (en) | 2016-12-26 | 2016-12-26 | A kind of control circuit of vehicle synchronous motor |
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| Country | Link |
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| CN (1) | CN206336152U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107666321A (en) * | 2017-10-17 | 2018-02-06 | 中国电子科技集团公司第四十三研究所 | D/R converter parallel binary angle code two-way orthogonal signalling conversion equipments |
| CN109557858A (en) * | 2018-12-10 | 2019-04-02 | 中国航发南方工业有限公司 | RVDT conversion circuit and electronic controller |
-
2016
- 2016-12-26 CN CN201621437212.7U patent/CN206336152U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107666321A (en) * | 2017-10-17 | 2018-02-06 | 中国电子科技集团公司第四十三研究所 | D/R converter parallel binary angle code two-way orthogonal signalling conversion equipments |
| CN107666321B (en) * | 2017-10-17 | 2023-10-24 | 中国电子科技集团公司第四十三研究所 | Parallel binary angle code-two-path orthogonal signal conversion device of D/R converter |
| CN109557858A (en) * | 2018-12-10 | 2019-04-02 | 中国航发南方工业有限公司 | RVDT conversion circuit and electronic controller |
| CN109557858B (en) * | 2018-12-10 | 2020-11-03 | 中国航发南方工业有限公司 | RVDT conversion circuit and electronic controller |
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Granted publication date: 20170718 Termination date: 20181226 |